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Finding the Fourth Proportional to 302,022.08, 453,030.24 and 80,406.08

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Solution

The fourth proportional to 302,022.08, 453,030.24 and 80,406.08 is: 120,608.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,022.08 : 453,030.24 = 80,406.08 : x
  2. Step 2: Convert to fraction form
    302,022.08/453,030.24 = 80,406.08/x
  3. Step 3: Cross multiply
    302,022.08x = 453,030.24 × 80,406.08
  4. Step 4: Simplify right side
    302,022.08x = 36,426,385,719.86
  5. Step 5: Solve for x
    x = 36,426,385,719.86/302,022.08
  6. Step 6: Final answer
    x = 120,608.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.